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Five fingers of evolution - Paul Andersen

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TEDEd Animation

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How can a “thumbs up” sign help us remember five processes that impact evolution? The story of the Five Fingers of Evolution gives us a clever way of understanding change in gene pools over time.

Genetic drift is a change in the gene pool due to chance. Genetic drift increases as the population decreases. What accounts for this relationship?

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Animator Alan Foreman
  • Educator Paul Andersen
  • Narrator Paul Andersen

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